Keyboard



FIG. 1 is a perspective view of a keyboard showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a rear view thereof.

The claim is directed to the solid edge surrounding the keyboard and the shaded surfaces on the front of the keyboard. The dash-dot broken line depicts a boundary and the evenly spaced broken lines depict portions of the keyboard that form no part of the claimed design. Any unshaded surfaces that are between solid line and broken line form no part thereof. 

CLAIM The ornamental design for a keyboard, as shown and described. 